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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 236 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.13² =
  2. 2.15² =
  3. 3.55² =
  4. 4.61² =
  5. 5.46² =
  6. 6.62² =
  7. 7.17² =
  8. 8.81² =
  9. 9.38² =
  10. 10.51² =
  11. 11.24² =
  12. 12.31² =
  13. 13.76² =
  14. 14.83² =
  15. 15.14² =
  16. 16.67² =
  17. 17.42² =
  18. 18.41² =
  19. 19.77² =
  20. 20.73² =
  21. 21.82² =
  22. 22.11² =
  23. 23.46² =
  24. 24.93² =
  25. 25.48² =
  26. 26.61² =
  27. 27.51² =
  28. 28.42² =
  29. 29.24² =
  30. 30.44² =
  31. 31.85² =
  32. 32.19² =
  33. 33.46² =
  34. 34.75² =
  35. 35.24² =
  36. 36.79² =
  37. 37.46² =
  38. 38.17² =
  39. 39.14² =
  40. 40.59² =

Answer key

  1. 169
  2. 225
  3. 3025
  4. 3721
  5. 2116
  6. 3844
  7. 289
  8. 6561
  9. 1444
  10. 2601
  11. 576
  12. 961
  13. 5776
  14. 6889
  15. 196
  16. 4489
  17. 1764
  18. 1681
  19. 5929
  20. 5329
  21. 6724
  22. 121
  23. 2116
  24. 8649
  25. 2304
  26. 3721
  27. 2601
  28. 1764
  29. 576
  30. 1936
  31. 7225
  32. 361
  33. 2116
  34. 5625
  35. 576
  36. 6241
  37. 2116
  38. 289
  39. 196
  40. 3481

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